{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:KBW6SMZCUAWHI2ANUWXKMNXQ3R","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"abcba3eca767a247e405e79496db74fffb49cce605aad90ff2a616807bc15146","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-04T08:02:07Z","title_canon_sha256":"89f5c1827394c776be968a35f913c1db3719675182164738c3aa7bfbf8e47015"},"schema_version":"1.0","source":{"id":"1206.0538","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.0538","created_at":"2026-05-18T03:54:14Z"},{"alias_kind":"arxiv_version","alias_value":"1206.0538v2","created_at":"2026-05-18T03:54:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.0538","created_at":"2026-05-18T03:54:14Z"},{"alias_kind":"pith_short_12","alias_value":"KBW6SMZCUAWH","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KBW6SMZCUAWHI2AN","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KBW6SMZC","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:9d8519fe98b79c789f07dd759b4ff1a8015aeb5a8184e27276cc947c74806514","target":"graph","created_at":"2026-05-18T03:54:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The pressure dependence of melting temperatures for boron carbide and B4C-carbon eutectic has been studied up to 8 GPa, and it was found that in both cases the melting curves exhibit negative slope (-13\\pm6 K/GPa), that is indicative of higher density of the melt as compared to the solid phase.","authors_text":"Petr S. Sokolov, Vladimir A. Mukhanov, Vladimir L. Solozhenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-04T08:02:07Z","title":"On melting of B4C boron carbide under pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.0538","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4a3302882cbfd6263ae15a9908d44be508a4a9a6db0d2d655a32579464aee636","target":"record","created_at":"2026-05-18T03:54:14Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"abcba3eca767a247e405e79496db74fffb49cce605aad90ff2a616807bc15146","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-06-04T08:02:07Z","title_canon_sha256":"89f5c1827394c776be968a35f913c1db3719675182164738c3aa7bfbf8e47015"},"schema_version":"1.0","source":{"id":"1206.0538","kind":"arxiv","version":2}},"canonical_sha256":"506de93322a02c74680da5aea636f0dc7b04e79eeb75920207acc8ae015c8b6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"506de93322a02c74680da5aea636f0dc7b04e79eeb75920207acc8ae015c8b6f","first_computed_at":"2026-05-18T03:54:14.716902Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:14.716902Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kYck2tCQwYOU6VT+3oBfhRS41uyyKs/H9WaNa3NCA5hQkjVUFMuadUd7DSd2uc5Wafui7xbvaaRIk4QyC22kCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:14.717523Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.0538","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a3302882cbfd6263ae15a9908d44be508a4a9a6db0d2d655a32579464aee636","sha256:9d8519fe98b79c789f07dd759b4ff1a8015aeb5a8184e27276cc947c74806514"],"state_sha256":"74d1eeaadffb7e2ef9ff22efd697fa49c93fd0a1c359f076520ace4ffac00854"}